# File lib/dbd/sqlite3/statement.rb, line 41
    def column_info()
        @stmt.columns.zip(@stmt.types).map{|name, type_name|
            m = DBI::DBD::SQLite3.parse_type(type_name)
            h = { 
              'name' => name,
              'type_name' => m[1],
              'sql_type' => 
                    begin
                          DBI.const_get('SQL_'+m[1].upcase)
                    rescue NameError
                        DBI::SQL_OTHER
                    end,
            }
            h['precision'] = m[3].to_i if m[3]
            h['scale']     = m[5].to_i if m[5]

            case h['type_name']
            when 'double'
                h['dbi_type'] = DBI::Type::Float
            end

            h
        }
    end